<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* ol li  {
            color: pink;
            font-size: 50px;
        } */
         .siji {
            color: pink;
         }
    </style>
     
</head>
<body>
    <ul>
        <li>春天</li>
        <li>夏天</li>
        <li>秋天</li>
    </ul>
    <ol class="siji">
        <li class="a">春天</li>
        <li class="a">夏天</li>
        <li class="a">秋天</li>
        <li class="a">
            <a href="#">冬天</a>
        </li>
        
    </ol>
</body>
</html>